Base | Representation |
---|---|
bin | 1100011100001… |
… | …1010100010111 |
3 | 10122012000211202 |
4 | 3013003110113 |
5 | 101324231442 |
6 | 5102223115 |
7 | 1202345000 |
oct | 307032427 |
9 | 118160752 |
10 | 52180247 |
11 | 274aa879 |
12 | 15584a9b |
13 | aa6c8b2 |
14 | 6d041a7 |
15 | 48aac32 |
hex | 31c3517 |
52180247 has 16 divisors (see below), whose sum is σ = 61320000. Its totient is φ = 44382240.
The previous prime is 52180241. The next prime is 52180253. The reversal of 52180247 is 74208125.
52180247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (52180241) and next prime (52180253).
It is not a de Polignac number, because 52180247 - 224 = 35403031 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52180241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50597 + ... + 51617.
It is an arithmetic number, because the mean of its divisors is an integer number (3832500).
Almost surely, 252180247 is an apocalyptic number.
52180247 is a deficient number, since it is larger than the sum of its proper divisors (9139753).
52180247 is a wasteful number, since it uses less digits than its factorization.
52180247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1191 (or 1177 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 52180247 is about 7223.5896201265. The cubic root of 52180247 is about 373.6818836876.
The spelling of 52180247 in words is "fifty-two million, one hundred eighty thousand, two hundred forty-seven".
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